U2Pawns.U2AraknidController

//=============================================================================
// U2AraknidController.
//=============================================================================

class U2AraknidController extends U2NPCControllerBasic;

//-----------------------------------------------------------------------------

const MaxGetNearCorpseAttempts	= 10;
const Threshold					= 5.0;

const AdjustDistanceLabel		= 'AdjustDistance';
const KeepAdjustingLabel		= 'KeepAdjusting';
const NoTargetLabel				= 'NoTarget';
const WaitForTargetLandingLabel	= 'WaitForTargetLanding';

var float GoalDistance;

//-----------------------------------------------------------------------------

function HandleEnemyKilledSafe( Controller Killer, Pawn KilledEnemy )
{
	#debug   SetControllerTarget( KilledEnemy, GetContext() );
	#release SetControllerTarget( KilledEnemy );
	GoalDistance = 256.0;
	GotoState( EnemyKilledState );
}

//-----------------------------------------------------------------------------

function bool OKToHit( Actor HitActor, vector HitLocation, vector HitNormal )
{
	return( U2AraknidBase(HitActor) != None || Super.OKToHit( HitActor, HitLocation, HitNormal ) );
}

//-----------------------------------------------------------------------------
// As long as there is no threat, do a special "enemy killed" behavior.

state @ EnemyKilledState
{
	ignores EnemyNotVisible; 

	//-------------------------------------------------------------------------

	function float GetNextRandomSoundTime()
	{
		// become noisier while studying victim
		return RandRange( 1.0, 6.0 );
	}
	
	//-------------------------------------------------------------------------
	
	function EnemyAcquired()
	{
		BehaviorController.SetBCEnabled( true );
		
		//!!mdf-tbd: should this be calling Global (Global vs Super stuff is a pain...)
		Super.EnemyAcquired();		
	}

	//-------------------------------------------------------------------------

	function bool AllowFriendlyBumpStateChanges()
	{
		return false;
	}

	//-------------------------------------------------------------------------

	function bool GetAdjustDistanceDestination( bool bUpdate )
	{
		local vector DeltaV;
		local vector Direction2D;
		local float Distance;
		local bool bAdjustDistance;

		bAdjustDistance = false;
		if( bUpdate )
		{
			// just look at distance to current destination
			bAdjustDistance = ( VSize2D( Destination - Pawn.Location ) > Threshold );
		}
		else if( ControllerTarget != None && !ControllerTarget.bDeleteMe )
		{
			// look at distance to target
			DeltaV = Pawn.Location - ControllerTarget.Location;
			Distance = GoalDistance - VSize2D(DeltaV);

			if( Abs(Distance) > Threshold )
			{
				// set destination
				bAdjustDistance = true;
				Direction2D = Normal(DeltaV);
				Direction2D.Z = 0;
				Destination = Pawn.Location + Distance*Direction2D;
			}
		}

		return bAdjustDistance;
	}

	//-------------------------------------------------------------------------

	event BeginState()
	{
		SetRandomSoundTimer();
		BehaviorController.SetBCEnabled( false );
		Super.BeginState();
	}
	
	//-------------------------------------------------------------------------

	event EndState()
	{
		Super.EndState();
		#debug   SetControllerTarget( None, GetContext() );
		#release SetControllerTarget( None );
		CheckBehaviorEnabled();
	}

	//-------------------------------------------------------------------------

@ WaitForTargetLandingLabel:
	Sleep( 0.5 );

@ BeginLabel:
	if( ControllerTarget == None || ControllerTarget.bDeleteMe )
		Goto( NoTargetLabel );

	if( ControllerTarget.Physics == PHYS_Falling )
		Goto( WaitForTargetLandingLabel );

@ AdjustDistanceLabel:
	ClearMoveAttempts();
	#debug DMAIL( AdjustDistanceLabel );

@ KeepAdjustingLabel:
@ MoveActiveLabel:
	// back off to GoalDistance units
	if( GetAdjustDistanceDestination( NumMoveAttempts > 0 ) )
	{
		MoveToPoint( Destination, Threshold, ControllerTarget, Pawn.WalkingPct*0.5 );
		if( NumMoveAttempts++ > MaxGetNearCorpseAttempts )
			Goto( GiveUpLabel );
		else
			Goto( KeepAdjustingLabel );
	}

@ ReachedDestinationLabel:
	#debug DMAIL( ReachedDestinationLabel );
	StopMovement( true, true );
	Focus = ControllerTarget;
	FinishRotation( DefaultRotationThreshold );

	Sleep( 6.0 );
	Goto( DoneLabel );

@ GiveUpLabel:
	#debug DMAIL( GiveUpLabel );
	Goto( ReachedDestinationLabel ); // act as if we made it anyway?

@ NoTargetLabel:
	#debug DMAIL( NoTargetLabel );

@ DoneLabel:
	#debug   UpdateBehavior( true, GetContext() );
	#release UpdateBehavior( true );
} // EnemyKilledState

//-----------------------------------------------------------------------------

defaultproperties
{
	MinHitWall=0.000000
	Buoyancy=100.000000
     UseReticleOnEvents(0)="UseReticleText"
     UseReticleOnEvents(1)="UseReticleCorners"
     UseReticleOnEvents(2)="UseReticleTopBars"
     ProximityReticleOnEvents(0)="ProximityReticleCorners"
     ProximityReticleOnEvents(1)="ProximityReticleTopBars"
}